Study of breast implants mammography examinations for identification of suitable image quality criteria

Insights into Imaging

Table 4 Impact of implant position and Eklund Manœuvre on the achievement of image quality criteria (p, p value; NS, not significant)

Criteria	Implant position			Eklund Manœuvre
Criteria	Eklund	No Eklund	Global	Subglandular implant	Subpectoral implant	Global
Breast centrally placed	p = < 0.01	NS	p = < 0.05	NS	NS	NS
Pectoral muscle (PM) visibility	p = < 0.001	p = < 0.001	p = < 0.001	NS	p = 0.002	NS
Visualisation of retroglandular adipose tissue	p = < 0.001	NS	p = < 0.001	p = < 0.001	p = < 0.001	p = < 0.001
Medial border of the breast included on the image	NS	p = 0.01	p = 0.05	p = < 0.001	NS	p = < 0.001
Axillary tail demonstrated	p = 0.01	NS	NS	p = < 0.001	NS	p = < 0.001
Nipple in the midline (+/− 10°)	NS	NS	NS	p = < 0.001	p = 0.01	p = < 0.001
Nipple in profile or transected by skin	NS	NS	NS	NS	NS	NS
No skin folds	p = < 0.001	NS	p = < 0.001	p = < 0.001	p = < 0.001	p = < 0.001
Spread of glandular tissue	NS	NS	p = 0.01	p = < 0.001	p = < 0.001	p = < 0.001
Sharpness	NS	NS	NS	NS	p = < 0.05	NS
Artefacts	p = 0.01	NS	NS	p = < 0.001	p = < 0.05	p = < 0.001
Symmetrical mirror images R/L images	p = 0.01	NS	p = < 0.001	p = < 0.001	p = 0.004	p = < 0.001
Beam penetration	NS	NS	NS	NS	NS	NS
Contrast	NS	NS	NS	NS	p = 0.002	p = < 0.05
Total of significant criteria	7	2	7	8	9	9